http://eevblog.com/files/PM6672-Service-Manual.pdf <br />http://eevblog.com/files/PhilipsPM6673-76-Service-Manual.pdf <br />PHOTOS: http://www.flickr.com/photos/eevblog/sets/72157629731591013/ <br /> <br />The first of the new regular segment on the EEVblog - Teardown Tuesday. <br />Dave cracks open the Philips PM6672 1GHz Timer Counter, and more interestingly, the PM9690 10MHz oven stabilised reference crystal oscillator.